/*
 * Unidata Platform Community Edition
 * Copyright (c) 2013-2020, UNIDATA LLC, All rights reserved.
 * This file is part of the Unidata Platform Community Edition software.
 *
 * Unidata Platform Community Edition is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Unidata Platform Community Edition is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 */
package org.unidata.mdm.meta.type.input.meta;

import java.io.Serializable;

/**
 * The Class MetaEdge.
 *
 * @param <T> the generic type
 */
public class MetaEdge<T extends MetaVertex> implements Serializable {

    /**
     * The Constant serialVersionUID.
     */
    private static final long serialVersionUID = 1L;

    /**
     * Instantiates a new meta edge.
     */
    private MetaEdge() {
        super();
    }

    /**
     * Instantiates a new meta edge.
     *
     * @param from the from
     * @param to the to
     */
    public MetaEdge(T from, T to) {
        this();
        this.from = from;
        this.to = to;
    }

    /**
     * The from.
     */
    private T from;

    /**
     * The to.
     */
    private T to;

    /**
     * The existence.
     */
    private MetaExistence existence;

    /**
     * Gets the from.
     *
     * @return the from
     */
    public T getFrom() {
        return from;
    }

    /**
     * Gets the to.
     *
     * @return the to
     */
    public T getTo() {
        return to;
    }

    /**
     * Gets the existence.
     *
     * @return the existence
     */
    public MetaExistence getExistence() {
        return existence;
    }

    /**
     * Sets the existence.
     *
     * @param existence the new existence
     */
    public void setExistence(MetaExistence existence) {
        this.existence = existence;
    }

}
